100mm Three-jaw Rotary Axis,Fits Fiber Laser Marking Machine, Laser Engraver, Engraving Machine, Angle GrinderStainless Steel Chuck; Quick Clamping.Stepless AdjustmentKeep the Fixture Rotary StableAccurate Position.180°Rotary Positioning.Stable PositioningSmooth Stroke and Low Coefficient of FrictionMaterial: Alloy and Stainless Steel.Moderate HardnessIndustrial Standard Interface. Use Aviation Plug Fits Various Board CardSupport Manual LockingElevation Angle is 45°/90°Configuration: 5776 Stepper motor with 1m long cord, 4 pins and 1 spare spring. It adopts synchronous wheel transmission which can effectively eliminate jitter. Synchronous Speed Ration is 1:2.5. This rotary fixture is mainly for small hardware such as rings, bracelets,Cigarette holder, Pen, Bearinge,tc. Rotary spring clamping, fast mounting and dismounting to improve work efficiencyPackage:100mm Three-jaw Rotary Axis,the drive not include,if you need drive,you need add$70